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Finding the Fourth Proportional to 242,424.48, 334,569.05 and 134,994.48

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Solution

The fourth proportional to 242,424.48, 334,569.05 and 134,994.48 is: 186,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,424.48 : 334,569.05 = 134,994.48 : x
  2. Step 2: Convert to fraction form
    242,424.48/334,569.05 = 134,994.48/x
  3. Step 3: Cross multiply
    242,424.48x = 334,569.05 × 134,994.48
  4. Step 4: Simplify right side
    242,424.48x = 45,164,974,253.87
  5. Step 5: Solve for x
    x = 45,164,974,253.87/242,424.48
  6. Step 6: Final answer
    x = 186,305.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.